49986 ÷ 9 = 5554 R0
Alright, let's work through the division of 49986 by 9 step by step.

Step 1:
9 goes into 4 0 times with a remainder of 4.
Write down 0 as next digit of of the result. 
Result so far: 0
Subtract 0 from 4 to get 4.
Bring next digit (9) of the dividend behind the 4 and repeat the process: 49 / 9

Step 2:
9 goes into 49 5 times with a remainder of 4.
Write down 5 as next digit of of the result. 
Result so far: 5
Subtract 45 from 49 to get 4.
Bring next digit (9) of the dividend behind the 4 and repeat the process: 49 / 9

Step 3:
9 goes into 49 5 times with a remainder of 4.
Write down 5 as next digit of of the result. 
Result so far: 55
Subtract 45 from 49 to get 4.
Bring next digit (8) of the dividend behind the 4 and repeat the process: 48 / 9

Step 4:
9 goes into 48 5 times with a remainder of 3.
Write down 5 as next digit of of the result. 
Result so far: 555
Subtract 45 from 48 to get 3.
Bring next digit (6) of the dividend behind the 3 and repeat the process: 36 / 9

Step 5:
9 goes into 36 4 times with a remainder of 0.
Write down 4 as next digit of of the result. 
Result so far: 5554
Subtract 36 from 36 to get 0.

The final result is 5554 with a remainder of 0.